fix bug with celestial equator (#96)

* fix

* better

* multiprocessing hash checks

docs/changelog.md

@@ -16,6 +16,8 @@
     - Fixes default horizon style to be consistent with grayscale extension
 - [**v0.11.2**]
     - Adds `requests` as a required dependency
+- [**v0.11.3**]
+    - Fixes bug with plotting the celestial equator
 
 ## v0.10.x
 [Documentation](https://archives.starplot.dev/0.10.2/)

hash_checks/hashio.py

@@ -2,6 +2,7 @@
 import inspect
 import time
 
+from multiprocessing import Pool
 from pathlib import Path
 
 import imagehash
@@ -73,22 +74,25 @@ def _dhash(self, img) -> str:
     def _phash(self, img) -> str:
         return str(imagehash.phash(img))
 
+    def _call_wrapper(self, c):
+        func_name = c.__name__[6:]
+        console.print(f"{func_name}...")
+        filename = c()
+        img = Image.open(filename)
+        return func_name, {
+            "filename": str(filename),
+            "dhash": self._dhash(img),
+            "phash": self._phash(img),
+        }
+
     def _get_hashes(self) -> dict:
         """Gets hashes for all callables"""
-        hashes = {}
-        with console.status("Getting hashes...", spinner="aesthetic"):
-            for c in self.callables:
-                func_name = c.__name__[6:]
-                console.print(f"{func_name}...")
-                filename = c()
-                img = Image.open(filename)
-                hashes[func_name] = {
-                    "filename": str(filename),
-                    "dhash": self._dhash(img),
-                    "phash": self._phash(img),
-                }
-
-        return hashes
+
+        console.print("Getting hashes...", style="bold")
+        with Pool(5) as p:
+            results = p.map(self._call_wrapper, self.callables)
+
+        return {func_name: hashes for func_name, hashes in results}
 
     def _check(self):
         passed = {}

src/starplot/__init__.py

@@ -1,6 +1,6 @@
 """Star charts and maps"""
 
-__version__ = "0.11.2"
+__version__ = "0.11.3"
 
 from .base import BasePlot  # noqa: F401
 from .map import MapPlot, Projection  # noqa: F401

src/starplot/base.py

@@ -852,11 +852,8 @@ def celestial_equator(
 
         # TODO : handle wrapping
 
-        ra_start = max(0, int(self.ra_min) - 2) * 100
-        ra_end = min(24, int(self.ra_max) + 2) * 100
-
-        for ra in range(ra_start, ra_end, 2):
-            x0, y0 = self._prepare_coords(ra / 100, 0)
+        for ra in range(25):
+            x0, y0 = self._prepare_coords(ra, 0)
             x.append(x0)
             y.append(y0)